Construction Resolved

Caltrans : Roadwork on US-101 Southbound between CA-92 E (San Mateo) and E Hillsdale Blvd (San Mateo). Various lanes closed until 5 AM. From 8:00 PM Monday, September 21, 2026 to 5:00 AM Tuesday, September 22, 2026.

A construction was reported on US-101 S near San Mateo on September 22, 2026 at 3:01 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Sep 21, 8:01 PM

Last Updated

1 month, 1 week ago

Sep 22, 4:15 AM

Resolved

Sep 22, 10:15 AM

Coordinates

37.5531, -122.2960

Update History

1 observations

Caltrans : Roadwork on US-101 Southbound between CA-92 E (San Mateo) and E Hillsdale Blvd (San Mateo). Various lanes closed until 5 AM. From 8:00 PM Monday, September 21, 2026 to 5:00 AM Tuesday, September 22, 2026. Sep 22, 4:15 AM

Source: 511_sfbay · ID 511.org/1552774 First seen Sep 22, 2026 4:15 AM

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